[JFFS2] Remove flash offset argument from various functions.
We don't need the upper layers to deal with the physical offset. It's
_always_ c->nextblock->offset + c->sector_size - c->nextblock->free_size
so we might as well just let the actual write functions deal with that.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 34a452b..8feb874 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -23,13 +23,12 @@
* jffs2_reserve_space - request physical space to write nodes to flash
* @c: superblock info
* @minsize: Minimum acceptable size of allocation
- * @ofs: Returned value of node offset
* @len: Returned value of allocation length
* @prio: Allocation type - ALLOC_{NORMAL,DELETION}
*
* Requests a block of physical space on the flash. Returns zero for success
- * and puts 'ofs' and 'len' into the appriopriate place, or returns -ENOSPC
- * or other error if appropriate.
+ * and puts 'len' into the appropriate place, or returns -ENOSPC or other
+ * error if appropriate. Doesn't return len since that's
*
* If it returns zero, jffs2_reserve_space() also downs the per-filesystem
* allocation semaphore, to prevent more than one allocation from being
@@ -40,9 +39,9 @@
*/
static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
- uint32_t *ofs, uint32_t *len, uint32_t sumsize);
+ uint32_t *len, uint32_t sumsize);
-int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs,
+int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
uint32_t *len, int prio, uint32_t sumsize)
{
int ret = -EAGAIN;
@@ -132,7 +131,7 @@
spin_lock(&c->erase_completion_lock);
}
- ret = jffs2_do_reserve_space(c, minsize, ofs, len, sumsize);
+ ret = jffs2_do_reserve_space(c, minsize, len, sumsize);
if (ret) {
D1(printk(KERN_DEBUG "jffs2_reserve_space: ret is %d\n", ret));
}
@@ -143,8 +142,8 @@
return ret;
}
-int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs,
- uint32_t *len, uint32_t sumsize)
+int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize,
+ uint32_t *len, uint32_t sumsize)
{
int ret = -EAGAIN;
minsize = PAD(minsize);
@@ -153,7 +152,7 @@
spin_lock(&c->erase_completion_lock);
while(ret == -EAGAIN) {
- ret = jffs2_do_reserve_space(c, minsize, ofs, len, sumsize);
+ ret = jffs2_do_reserve_space(c, minsize, len, sumsize);
if (ret) {
D1(printk(KERN_DEBUG "jffs2_reserve_space_gc: looping, ret is %d\n", ret));
}
@@ -259,10 +258,11 @@
}
/* Called with alloc sem _and_ erase_completion_lock */
-static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs, uint32_t *len, uint32_t sumsize)
+static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
+ uint32_t *len, uint32_t sumsize)
{
struct jffs2_eraseblock *jeb = c->nextblock;
- uint32_t reserved_size; /* for summary information at the end of the jeb */
+ uint32_t reserved_size; /* for summary information at the end of the jeb */
int ret;
restart:
@@ -349,7 +349,6 @@
}
/* OK, jeb (==c->nextblock) is now pointing at a block which definitely has
enough space */
- *ofs = jeb->offset + (c->sector_size - jeb->free_size);
*len = jeb->free_size - reserved_size;
if (c->cleanmarker_size && jeb->used_size == c->cleanmarker_size &&
@@ -365,7 +364,8 @@
spin_lock(&c->erase_completion_lock);
}
- D1(printk(KERN_DEBUG "jffs2_do_reserve_space(): Giving 0x%x bytes at 0x%x\n", *len, *ofs));
+ D1(printk(KERN_DEBUG "jffs2_do_reserve_space(): Giving 0x%x bytes at 0x%x\n",
+ *len, jeb->offset + (c->sector_size - jeb->free_size)));
return 0;
}